There are many Diablo 4 players who still don’t know the list of unlocking conditions for Diablo 4 Nightmare Dungeon. The following is the "List of Unlocking Conditions for Diablo 4 Nightmare Dungeon" collected and compiled by the editor of Sourcecode.com for those who have questions in this regard. Take a look below, it may help you.
There are no prerequisite tasks. You can drop the key by defeating monsters. Use the key to upgrade the ordinary copy to the nightmare copy. It is a one-time item. After completing the copy, it will become the ordinary copy.